Commit:    7ae93a2c4c8a51cc2aec9977ce3c83c100e382a0
Author:    Nikita Popov <ni...@php.net>         Sun, 8 Apr 2012 22:36:50 +0200
Parents:   f7d407678570f8e4063b70bd30f3fc19c10442ea
Branches:  PHP-5.4 master

Link:       
http://git.php.net/?p=php-src.git;a=commitdiff;h=7ae93a2c4c8a51cc2aec9977ce3c83c100e382a0

Log:
Fix bug #61660: bin2hex(hex2bin($data)) != $data

If the input data has an odd length a warning is thrown and false is returned.

Bugs:
https://bugs.php.net/61660

Changed paths:
  M  NEWS
  M  ext/standard/string.c
  A  ext/standard/tests/strings/bug61660.phpt


Diff:
diff --git a/NEWS b/NEWS
index 7b80084..42f7cd9 100644
--- a/NEWS
+++ b/NEWS
@@ -9,6 +9,7 @@ PHP                                                             
           NEWS
   . "Connection: close" instead of "Connection: closed" (Gustavo)
 
 - Core:
+  . Fixed bug #61660 (bin2hex(hex2bin($data)) != $data). (Nikita Popov)
   . Fixed bug #61650 (ini parser crashes when using ${xxxx} ini variables
     (without apache2)). (Laruence)
   . Fixed bug #61605 (header_remove() does not remove all headers). (Laruence)
diff --git a/ext/standard/string.c b/ext/standard/string.c
index 0aade78..5c33232 100644
--- a/ext/standard/string.c
+++ b/ext/standard/string.c
@@ -266,6 +266,11 @@ PHP_FUNCTION(hex2bin)
                return;
        }
 
+       if (datalen % 2 != 0) {
+               php_error_docref(NULL TSRMLS_CC, E_WARNING, "Hexadecimal input 
string must have an even length");
+               RETURN_FALSE;
+       }
+
        result = php_hex2bin((unsigned char *)data, datalen, &newlen);
 
        if (!result) {
diff --git a/ext/standard/tests/strings/bug61660.phpt 
b/ext/standard/tests/strings/bug61660.phpt
new file mode 100644
index 0000000..010ea47
--- /dev/null
+++ b/ext/standard/tests/strings/bug61660.phpt
@@ -0,0 +1,11 @@
+--TEST--
+Bug #61660: bin2hex(hex2bin($data)) != $data
+--FILE--
+<?php
+
+var_dump(hex2bin('123'));
+
+?>
+--EXPECTF--
+Warning: hex2bin(): Hexadecimal input string must have an even length in %s on 
line %d
+bool(false)


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